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Sero-molecular survey and risk factors of equine piroplasmosis in horses in Spain

Artículo de investigación publicado en Equine veterinary journal

In Press

Background: Theileria equi and Babesia caballi cause equine piroplasmosis (EP), one of the
most important tick-borne diseases of horses due to its high negative impact to the equine industry.
Although infections with these parasites have been reported for decades in Spain, epidemiological
studies have only been carried out in certain regions
Objectives: To determine the (sero)prevalence of these parasites in asymptomatic horses
nationwide in Spain and to identify potential individual and environmental factors associated with
seropositivity to EP
Study design: Sample size was calculated according to the horses registered in Spain in 2013 and
by autonomous community using a random stratified sampling. A questionnaire was used to
collect data on factors associated with EP seropositivity
Methods: Serological (cELISA and complement fixation test) and molecular (real-time PCR)
analyses were carried out in 740 horses. Risk factors were identified computing two independent
logistic regression models with the collated data
Results: Antibodies against EP were detected in 42.9% (95% CI 39.4-46.5) of horses, whereas
30.3% (95% CI 27.0-33.6) were EP positive by PCR. A substantial strength of agreement (k =
0.721) was estimated between serological tests. Exposure to T. equi was significantly higher than
to B. caballi and the highest (sero)prevalence was detected in the northern communities.
Increasing horse age, presence of ticks and contact with cows were factors related to EP
seropositivity in the horses, whereas tetanus vaccination and fairs attendance were associated with
lower seropositivity
Conclusions: Almost half of the horses residing in Spain had antibodies against EP or circulating
parasitaemia. Appropriate prevention measures and implementation of a EP surveillance
programme should be considered in order to reduce and control the infection




Camino E., Buendia A., Dorrego A., Pozo P., de Juan L., Dominguez L. y Cruz-Lopez F.




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Sero-molecular survey and risk factors of equine piroplasmosis in horses in Spain

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Sero-molecular survey and risk factors of equine piroplasmosis in horses in Spain


Participantes:

Universidad ComplutenseCentro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

MAEVA SERVET, S.L.MAEVA SERVET, S.L..







Equine veterinary journal
FACTOR YEAR Q
2.477 2019

NLMID: 173320

PMID: 32918303

ISSN: 0425-1644



TÍTULO: Sero-molecular survey and risk factors of equine piroplasmosis in horses in Spain


REVISTA: Equine Vet J


EDITORIAL: Newmarket, Suffolk : Equine Veterinary Journal, Ltd


AUTORES: Camino E., Buendia A., Dorrego A., Pozo P., de Juan L., Dominguez L. and Cruz-Lopez F.


PARTICIPANTES VISAVET


First
Eliazar Camino Gutiérrez
2nd
Aránzazu Buendía Andrés
5th
Lucía de Juan Ferré
6th
Lucas Domínguez Rodríguez

DOI: https://doi.org/10.1111/evj.13348


CITA ESTA PUBLICACIÓN:

Camino E., Buendia A., Dorrego A., Pozo P., de Juan L., Dominguez L. y Cruz-Lopez F. Sero-molecular survey and risk factors of equine piroplasmosis in horses in Spain. Equine veterinary journal. In Press. (A). ISSN: 0425-1644. DOI: 10.1111/evj.13348